[linux-2.6-block.git] / arch / microblaze / include / asm / pci.h

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 *
 * Based on powerpc version
 */

#ifndef __ASM_MICROBLAZE_PCI_H
#define __ASM_MICROBLAZE_PCI_H
#ifdef __KERNEL__

#include <linux/types.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/dma-mapping.h>
#include <linux/pci.h>
#include <linux/scatterlist.h>

#include <asm/io.h>
#include <asm/prom.h>
#include <asm/pci-bridge.h>

#include <asm-generic/pci-dma-compat.h>

#define PCIBIOS_MIN_IO		0x1000
#define PCIBIOS_MIN_MEM		0x10000000

/* Values for the `which' argument to sys_pciconfig_iobase syscall.  */
#define IOBASE_BRIDGE_NUMBER	0
#define IOBASE_MEMORY		1
#define IOBASE_IO		2
#define IOBASE_ISA_IO		3
#define IOBASE_ISA_MEM		4

#define pcibios_scan_all_fns(a, b)	0

/*
 * Set this to 1 if you want the kernel to re-assign all PCI
 * bus numbers (don't do that on ppc64 yet !)
 */
#define pcibios_assign_all_busses()	0

extern int pci_domain_nr(struct pci_bus *bus);

/* Decide whether to display the domain number in /proc */
extern int pci_proc_domain(struct pci_bus *bus);

struct vm_area_struct;
/* Map a range of PCI memory or I/O space for a device into user space */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
			enum pci_mmap_state mmap_state, int write_combine);

/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
#define HAVE_PCI_MMAP	1

extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val,
			   size_t count);
extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val,
			   size_t count);
extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
				      struct vm_area_struct *vma,
				      enum pci_mmap_state mmap_state);

#define HAVE_PCI_LEGACY	1

/* The PCI address space does equal the physical memory
 * address space (no IOMMU).  The IDE and SCSI device layers use
 * this boolean for bounce buffer decisions.
 */
#define PCI_DMA_BUS_IS_PHYS     (1)

extern void pcibios_claim_one_bus(struct pci_bus *b);

extern void pcibios_finish_adding_to_bus(struct pci_bus *bus);

extern void pcibios_resource_survey(void);

struct file;
extern pgprot_t	pci_phys_mem_access_prot(struct file *file,
					 unsigned long pfn,
					 unsigned long size,
					 pgprot_t prot);

#define HAVE_ARCH_PCI_RESOURCE_TO_USER
extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
				 const struct resource *rsrc,
				 resource_size_t *start, resource_size_t *end);

extern void pcibios_setup_bus_devices(struct pci_bus *bus);
extern void pcibios_setup_bus_self(struct pci_bus *bus);

/* This part of code was originally in xilinx-pci.h */
#ifdef CONFIG_PCI_XILINX
extern void __init xilinx_pci_init(void);
#else
static inline void __init xilinx_pci_init(void) { return; }
#endif

#endif	/* __KERNEL__ */
#endif /* __ASM_MICROBLAZE_PCI_H */
Commit	Line	Data
830980a0 MS	1	/*
	2	* This program is free software; you can redistribute it and/or
	3	* modify it under the terms of the GNU General Public License
	4	* as published by the Free Software Foundation; either version
	5	* 2 of the License, or (at your option) any later version.
	6	*
	7	* Based on powerpc version
	8	*/
	9
	10	#ifndef __ASM_MICROBLAZE_PCI_H
	11	#define __ASM_MICROBLAZE_PCI_H
	12	#ifdef __KERNEL__
	13
	14	#include <linux/types.h>
	15	#include <linux/slab.h>
	16	#include <linux/string.h>
	17	#include <linux/dma-mapping.h>
	18	#include <linux/pci.h>
84be456f	19	#include <linux/scatterlist.h>
830980a0	20
830980a0 MS	21	#include <asm/io.h>
	22	#include <asm/prom.h>
	23	#include <asm/pci-bridge.h>
	24
c74c8b1d JL	25	#include <asm-generic/pci-dma-compat.h>
c74c8b1d JL	26
830980a0 MS	27	#define PCIBIOS_MIN_IO 0x1000
	28	#define PCIBIOS_MIN_MEM 0x10000000
	29
830980a0 MS	30	/* Values for the `which' argument to sys_pciconfig_iobase syscall. */
	31	#define IOBASE_BRIDGE_NUMBER 0
	32	#define IOBASE_MEMORY 1
	33	#define IOBASE_IO 2
	34	#define IOBASE_ISA_IO 3
	35	#define IOBASE_ISA_MEM 4
	36
	37	#define pcibios_scan_all_fns(a, b) 0
	38
	39	/*
	40	* Set this to 1 if you want the kernel to re-assign all PCI
	41	* bus numbers (don't do that on ppc64 yet !)
	42	*/
72bdee79	43	#define pcibios_assign_all_busses() 0
830980a0	44
830980a0 MS	45	extern int pci_domain_nr(struct pci_bus *bus);
	46
	47	/* Decide whether to display the domain number in /proc */
	48	extern int pci_proc_domain(struct pci_bus *bus);
	49
	50	struct vm_area_struct;
	51	/* Map a range of PCI memory or I/O space for a device into user space */
	52	int pci_mmap_page_range(struct pci_dev pdev, struct vm_area_struct vma,
	53	enum pci_mmap_state mmap_state, int write_combine);
	54
	55	/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
	56	#define HAVE_PCI_MMAP 1
	57
	58	extern int pci_legacy_read(struct pci_bus bus, loff_t port, u32 val,
	59	size_t count);
	60	extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val,
	61	size_t count);
	62	extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
	63	struct vm_area_struct *vma,
	64	enum pci_mmap_state mmap_state);
	65
	66	#define HAVE_PCI_LEGACY 1
	67
830980a0 MS	68	/* The PCI address space does equal the physical memory
	69	* address space (no IOMMU). The IDE and SCSI device layers use
	70	* this boolean for bounce buffer decisions.
	71	*/
	72	#define PCI_DMA_BUS_IS_PHYS (1)
	73
830980a0 MS	74	extern void pcibios_claim_one_bus(struct pci_bus *b);
	75
	76	extern void pcibios_finish_adding_to_bus(struct pci_bus *bus);
	77
	78	extern void pcibios_resource_survey(void);
	79
830980a0 MS	80	struct file;
	81	extern pgprot_t pci_phys_mem_access_prot(struct file *file,
	82	unsigned long pfn,
	83	unsigned long size,
	84	pgprot_t prot);
	85
	86	#define HAVE_ARCH_PCI_RESOURCE_TO_USER
	87	extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
	88	const struct resource *rsrc,
	89	resource_size_t start, resource_size_t end);
	90
	91	extern void pcibios_setup_bus_devices(struct pci_bus *bus);
	92	extern void pcibios_setup_bus_self(struct pci_bus *bus);
	93
25985edc	94	/* This part of code was originally in xilinx-pci.h */
733cc218 MS	95	#ifdef CONFIG_PCI_XILINX
	96	extern void __init xilinx_pci_init(void);
	97	#else
	98	static inline void __init xilinx_pci_init(void) { return; }
	99	#endif
	100
830980a0 MS	101	#endif /* __KERNEL__ */
830980a0 MS	102	#endif /* __ASM_MICROBLAZE_PCI_H */